Unverified70% confidenceTradeoffTime unknown
颜色鲜艳度与褪色速度相关：深色/亮色校服（藏蓝、红）活性染料若不达标，前几次水洗易掉色染白衣，选购时可看是否标注色牢度≥3-4级
1
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70%
Confidence
Long-term
Relevance
-
First Seen
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Unverified颜色深浅与褪色权衡：藏青、深红等深色校服首次单独洗涤易掉色，选购时注意是否标注'活性染料'或'色牢度4级以上'；浅色（白、浅灰）不易看出褪色但易显脏发黄，需选抗氧化处理面料87% similarUnverified深色（藏蓝、墨绿、黑）套装耐洗褪色率优于亮色和荧光色，洗10次后色差更小；荧光反光亮色系易在反复机洗后发暗，选亮色时优先看是否标注‘活性染色/色牢度4级以上’86% similarUnverified颜色掉色风险与染色工艺相关：活性染料染色（标注reactive dye）色牢度4级以上不易掉色，深色（藏青/酒红/黑）比浅色更易首次浮色，建议深色内衣首次单独冷水手洗86% similarUnverified颜色耐洗性看染色工艺：藏青、深灰等深色系反复水洗后仍可能掉色染白，首次单独冷水加盐或白醋固色可减轻；浅色校服（白、浅蓝）建议多备一件应对领口袖口发黄86% similarUnverified亮色运动服优先选原液着色（涤纶原纱染色）而非后染工艺，前者色牢度4级以上，反复水洗和汗渍浸泡后不易褪色发暗，荧光色尤其明显85% similar
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